Question 1

Two-way alternate (TWA)mode for dialog control is used in ____ communications.

Accepted Answer

A) simplex 
B) complex 
C) half duplex 
D) full duplex 
A) simplex 
B) complex 
C) half duplex 
D) full duplex C

Question 2

A(n)____ is a connection identification assigned by the Session layer.

Accepted Answer

A) MAC address 
B) IP address 
C) port 
D) network id 
A) MAC address 
B) IP address 
C) port 
D) network id C

Question 3

The OSI model consists of ____ distinct layers stacked on one another.

Accepted Answer

A) two 
B) three 
C) five 
D) seven 
A) two 
B) three 
C) five 
D) seven D

Question 4

The upstream and downstream frequencies used by cable modems may be the same.

Accepted Answer

A) True 
 B)False

Question 5

Describe the relationship between the service data unit (SDU)and protocol data unit (PDU).

Accepted Answer

At each OSI layer,an SDU is encapsulated

Question 6

The Ethernet protocol permits only one node to transmit at a time.

Accepted Answer

A) True 
 B)False

Question 7

____________________ is the process of checking communication media for a specific voltage level indicating the presence of a data-carrying signal.

Accepted Answer

The answer of ____________________ is the process of checking communication...

Question 8

The task of the ____ layer in a LAN is to organize bits so that they are formatted into frames.

Accepted Answer

A) Network 
B) Transport 
C) Data Link 
D) Physical 
A) Network 
B) Transport 
C) Data Link 
D) Physical

Question 9

The term ____ refers to wrapping the information in one layer inside the information within the next layer.

Accepted Answer

A) encase 
B) enclose 
C) encapsulate 
D) envelope 
A) encase 
B) enclose 
C) encapsulate 
D) envelope

Question 10

Analog signals are the basis of the most common signaling method used on LANs and high-speed WANs.

Accepted Answer

A) True 
 B)False

Question 11

In the ____ switching technique, the bandwidth of communications medium is dynamically allocated based on application need.

Accepted Answer

A) Time Division Multiple Access 
B) Frequency Division Multiple Access 
C) circuit 
D) Statistical multiple access 
A) Time Division Multiple Access 
B) Frequency Division Multiple Access 
C) circuit 
D) Statistical multiple access

Question 12

Explain how TWS (two-way simultaneous)dialog control and buffering enable full duplex communications.

Accepted Answer

TWS enables full duplex communications i

Question 13

Both standard 802.3 and Ethernet II can have ____ optional field(s)between the length or type field and the data field

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 14

The Microsoft Windows ____________________ is a service that makes one computer visible to another for access through the network.

Accepted Answer

The answer of The Microsoft Windows ____________________ is a service...

Question 15

Describe the role of the active monitor in a token ring network.

Accepted Answer

Each token ring network designates one n

Question 16

____ switching establishes a dedicated circuit between the two transmitting nodes, but the circuit is a logical connection and not a physical one.

Accepted Answer

A) Packet 
B) Frame 
C) Circuit 
D) Message 
A) Packet 
B) Frame 
C) Circuit 
D) Message

Question 17

What are electromagnetic interference (EMI)and radio frequency interference (RFI)?

Accepted Answer

Electromagnetic interference (EMI)and ra

Question 18

Match between columns
                        Premises: process by which Network layer constantly gathers metrics about the location of networks and nodes.
allows a signal to travel in only one direction on a medium.
enables Network layer to determine which network process at the destination should accept a frame.
enable an OSI layer on a sending node to communicate with the same layer on the receiving node.
a junction at which LATA lines are connected to IXC lines.
discrete unit of data containing control and address information corresponding to OSI Data Link layer.
form of wireless WAN communication that takes place at very high radio frequencies.
uses a store-and-forward communication method to transmit data from sending to receiving node.
uses distinct voltages to generate binary ones or zeroes.

Accepted Answer

The Answer of discovery and Service access point (SAP) and is...

Question 19

The ____ field in an Ethernet frame synchronizes frame transmission and consists of an alternating pattern of zeroes and ones.

Accepted Answer

A) data and pad 
B) frame check sequence (FCS) 
C) start of frame delimiter (SOF) 
D) preamble 
A) data and pad 
B) frame check sequence (FCS) 
C) start of frame delimiter (SOF) 
D) preamble

Question 20

A(n)____ signal can vary continuously, as in a wave pattern with positive and negative voltage levels.

Accepted Answer

A) discrete 
B) analog 
C) digital 
D) binary 
A) discrete 
B) analog 
C) digital 
D) binary

Two-way alternate (TWA)mode for dialog control is used in ____ communications.

A(n)____ is a connection identification assigned by the Session layer.

The OSI model consists of ____ distinct layers stacked on one another.

The upstream and downstream frequencies used by cable modems may be the same.

Describe the relationship between the service data unit (SDU)and protocol data unit (PDU).

The Ethernet protocol permits only one node to transmit at a time.

____________________ is the process of checking communication media for a specific voltage level indicating the presence of a data-carrying signal.

The task of the ____ layer in a LAN is to organize bits so that they are formatted into frames.

The term ____ refers to wrapping the information in one layer inside the information within the next layer.

Analog signals are the basis of the most common signaling method used on LANs and high-speed WANs.

In the ____ switching technique, the bandwidth of communications medium is dynamically allocated based on application need.

Explain how TWS (two-way simultaneous)dialog control and buffering enable full duplex communications.

Both standard 802.3 and Ethernet II can have ____ optional field(s)between the length or type field and the data field

The Microsoft Windows ____________________ is a service that makes one computer visible to another for access through the network.

Describe the role of the active monitor in a token ring network.

____ switching establishes a dedicated circuit between the two transmitting nodes, but the circuit is a logical connection and not a physical one.

What are electromagnetic interference (EMI)and radio frequency interference (RFI)?

The ____ field in an Ethernet frame synchronizes frame transmission and consists of an alternating pattern of zeroes and ones.

A(n)____ signal can vary continuously, as in a wave pattern with positive and negative voltage levels.

Networking: an Overview

Using Network Communication Protocols

Connecting Through a Cabled Network

Devices for Connecting Networks

Connecting Through a Wireless Network

Sharing Resources on a Network

Using a Server

Understanding Wan Connection Choices

Basic Network Design

Securing Your Network

Maintaining and Troubleshooting Your Network

Filters

Exam 2: How Lan and Wan Communications Work

Two-way alternate (TWA)mode for dialog control is used in ____ communications.

A(n)____ is a connection identification assigned by the Session layer.

The OSI model consists of ____ distinct layers stacked on one another.

The upstream and downstream frequencies used by cable modems may be the same.

Describe the relationship between the service data unit (SDU)and protocol data unit (PDU).

The Ethernet protocol permits only one node to transmit at a time.

____________________ is the process of checking communication media for a specific voltage level indicating the presence of a data-carrying signal.

The task of the ____ layer in a LAN is to organize bits so that they are formatted into frames.

The term ____ refers to wrapping the information in one layer inside the information within the next layer.

Analog signals are the basis of the most common signaling method used on LANs and high-speed WANs.

In the ____ switching technique, the bandwidth of communications medium is dynamically allocated based on application need.

Explain how TWS (two-way simultaneous)dialog control and buffering enable full duplex communications.

Both standard 802.3 and Ethernet II can have ____ optional field(s)between the length or type field and the data field

The Microsoft Windows ____________________ is a service that makes one computer visible to another for access through the network.

Describe the role of the active monitor in a token ring network.

____ switching establishes a dedicated circuit between the two transmitting nodes, but the circuit is a logical connection and not a physical one.

What are electromagnetic interference (EMI)and radio frequency interference (RFI)?

The ____ field in an Ethernet frame synchronizes frame transmission and consists of an alternating pattern of zeroes and ones.

A(n)____ signal can vary continuously, as in a wave pattern with positive and negative voltage levels.

Networking: an Overview

Using Network Communication Protocols

Connecting Through a Cabled Network

Devices for Connecting Networks

Connecting Through a Wireless Network

Sharing Resources on a Network

Using a Server

Understanding Wan Connection Choices

Basic Network Design

Securing Your Network

Maintaining and Troubleshooting Your Network

Filters